DC MOTOR CONTROLLER CIRCUIT USING 741 OP-AMP SCHEMATIC DIAGRAM

DC MOTOR CONTROLLER CIRCUIT USING 741 OP-AMP SCHEMATIC DIAGRAM

As the potentiometer VR1 is moved toward either end, the speed increases in whichever direction it is turning. The TIP3055 Q1 NPN power transistor has a collector current specs of 15A and VCE0 of 60V DC. The MJE34 Q2 PNP power transistor has a collector current specs of 10A and VCE0 of 40V DC.